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bezimeni [28]
3 years ago
8

Find the area inside the semicircle and out side the triangle in terms of ń

Mathematics
1 answer:
Elan Coil [88]3 years ago
6 0

Answer:

π 169 / 2 - 120

Step-by-step explanation:

I'm assuming you are asking question about 24.

So first find radius of semicircle:

a^2+b^2=c^2

10^2+24^2=c^2

c=26

radius 26/2 = 13

Then let's calculate area of semicircle

area of circle = π*r^2

area of semicircle = π*r^2 / 2

area of given semi circle = π 169 / 2

Then let's calculate area of triangle

area of triangle = 10 * 24 / 2 = 120

Area of the shaded region =  π 169 / 2 - 120

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Find x. (Finding an angle measure given extended triangles) Please help
Alja [10]
50+79=129
180-129=51
X=51

Explanations
Angles on a straight line add up to 180 degrees. So 180-101=79 degrees
50 degrees is an opposite angle so it moves into the internal angle.
Angles in a triangle add up to 180 so (180-50-79=51)
Ans is 51 I think
8 0
3 years ago
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Which fraction is equivalent to -7/8<br><br> 1. 8/-7<br><br> 2. -7/-8<br><br> 3. 8/7<br><br> 4. 7/-8
IceJOKER [234]

Answer:

Your answer is answer no 4 = 7/-8

7 0
3 years ago
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7/12% of a quantity is equal to what fraction of the quantity?
serg [7]

Answer:

12 = 22 × 3

Step-by-step explanation:

7 0
3 years ago
1. What are the solutions (coordinate points) to the system of equations?
Leto [7]

Question 1

The given system of equations is:

y =  {x}^{2}  + 5x + 6 \\ y = 3x + 6

Equate the two equations:

{x}^{2}  + 5x + 6 = 3x + 6

Rewrite in standard form:

{x}^{2}  + 5x - 3x + 6 - 6 = 0

{x}^{2}   + 2x = 0

x(x + 2) = 0

x = 0 \: or \: x =  - 2

When we put x=0, in y=3x +6, we get:

y = 3(0) + 6 = 6

One solution is (0,6)

When we put x=-2, into y=3x+6, we get:

y = 3( - 2) + 6 = 0

Another solution is (-2,0)

The solutions are; (0,6) and (-2,0)

Question 2:

The function is

f(x) =  {x}^{6}  -  {x}^{4}

Let us put x=-x,

f( - x) =  {( - x)}^{6}  -  {( - x)}^{4}

This gives:

f( - x) =  {x}^{6}  -  {x}^{4}

We can observe that:

f(x) = f( - x)

This is the property of an even function.

Question 3:

The given function is

f(x) =  {x}^{2}  + 3x - 2

The average rate of change of f(x) from x=a to x=b is given as:

\frac{f(b) - f(a)}{b - a}

This is the slope of the secant line connecting the two points on f(x)

From x=2 to x=6, the average rate of change

=  \frac{f(6) - f(2)}{6 - 2} \\   =  \frac{ {6}^{2}  + 3 \times 6 -  2 -  {2}^{2}   -  3 \times 2  + 2 }{4} \\   =  \frac{36 + 18 - 4  - 6}{4}  \\  =  \frac{44}{4}   \\ = 11

The average rate of change is 11

3 0
3 years ago
If there are 35 yellow books in the bookcase, then how many green books are in the bookcase
alukav5142 [94]

ANSWER

D. 14

EXPLANATION

The ratio of the books in the book case are:

Red:Yellow:Green=3:5:2

The number of yellow books in the book case is 35.

If 5 corresponds to 35, then 2 green books will correspond to a less number of books,

By proportion, because it is going to be less more will divide.

The number of green books in the book case is

=  \frac{35 \times 2}{5}

= 7 \times 2 = 14

7 0
2 years ago
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